Frankfurter Zeitung. 1904, No. 348 (December 15)
Morning edition
Feuilleton on new biological books

Ernst Haeckel. "Lebenswunder" (Gemeinverstandliche Studien über biologische
Philosophie). Stuttgart (Alfred Kroner)*.
(For Haeckel "spirit is a physiological function of the cerebral cortex." P. 378
of his book. The author of the review, of course, is opposed to this opinion.)
His "Weltratsel"** ((published earlier)) (where it is demonstrated that, properly speaking, there are no world riddles).
Written at the end of 1904
First published in 1958
in the 4th edition of the Works
of V. I. Lenin, volume 38

Printed from the manuscript
* - Ernst Haeckel. "Wonders of Life" (Popular essays on the philosophy of biology). Stuttgart
(Alfred Kroner). Ed.
** - "World Riddles." Ed.
+
340
1909